Side by side

Alexander Shorokhoff Big Date ChronovsSeiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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Big Date Chrono
Alexander ShorokhoffBig Date Chrono
MSRP $3,025
See the full Big Date Chrono
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition
SeikoProspex SPEEDTIMER Seiko 145th Anniversary Limited Edition
MSRP $2,500
See the full Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition
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At a glance

14 of 29 specs differ
Diameter
Big Date Chrono43.5mm
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition42mm
Power Reserve
Big Date Chrono42h
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition45h
Water Resistance
Big Date Chrono100m
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition100m
MSRP
Big Date Chrono$3,025
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition$2,500

Full specifications

Case

6 specs
Category
—
Chronograph
Diameter
43.5mm
42mm
Thickness
14.4mm
14.6mm
Lug-to-Lug
22mm
49.5mm
Lug Width
22mm
20mm
Material
—
Stainless Steel

Crystal & Dial

4 specs
Crystal Shape
—
Curved
AR Coating
—
Anti-reflective coating on inner surface
Dial Color
—
—
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Alexander Shorokhoff DD4500
Seiko 8R48
Power Reserve
42h
45h
Jewels
0
34

Pricing

1 specs
MSRP
$3,025
$2,500
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